This following link may or may not be related to Stu Borman’s biological chemistry blog entry. It does relate chemistry of biological structures to offer understanding the origins and possible natures of cell organelles.

https://www.sciencedaily.com/releases/2018/04/180425131841.htm
nicely points out that mitochondria of cells may have originated as a proteobacterium that survives within a host in a symbiotic relationship.

Where this extends is to chemical genealogy where a mother’s DNA can contribute to an offspring via the DNA contained in mitochondria. As we currently understand the father’s DNA contribution is in many chromososomes, but especially in the Y-chromosome.